support eslint v9. it is time.

.github/workflows/autofix.yml

@@ -11,8 +11,10 @@ jobs:
   autofix:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '24'
       - uses: actions/checkout@v4
-      - run: npm install -g [email protected] # todo: delete if https://github.com/nodejs/corepack/issues/612 is resolved
       - run: corepack enable
       - run: pnpm install
       - run: pnpm run lint --fix

.github/workflows/ci.yml

@@ -6,10 +6,13 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '24'
       - uses: actions/checkout@v4
-      - run: npm install -g [email protected] # todo: delete if https://github.com/nodejs/corepack/issues/612 is resolved
       - run: corepack enable
       - run: pnpm install
-      - run: pnpm run build
-      - run: pnpm run lint
+      - run: pnpm build
+      - run: node -v
+      - run: pnpm lint
       - run: pnpm test

.github/workflows/pkg.pr.new.yml

@@ -7,7 +7,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - run: npm install -g [email protected] # todo: delete if https://github.com/nodejs/corepack/issues/612 is resolved
       - run: corepack enable
       - run: pnpm install
       - run: pnpm build

eslint.config.js

@@ -1,14 +1,20 @@
-require('tsx/cjs')
+import 'tsx/esm'
 
-const library = require('./src')
+import * as library from './src/index.ts'
 
-module.exports = [
-  ...library.recommendedFlatConfigs,
-  ...library.crazyConfigs, // experimental stuff
-]
+const getDefaultExport = () => {
+  let exp = [
+    ...library.recommendedFlatConfigs,
+    ...library.crazyConfigs, // experimental stuff
+  ]
 
-if (process.env.ALT_CONFIG in library) {
-  module.exports = library[process.env.ALT_CONFIG]
-} else if (process.env.ALT_CONFIG) {
-  throw new Error(`Unknown config ${process.env.ALT_CONFIG} (options: ${Object.keys(library).join(', ')})`)
+  if (process.env.ALT_CONFIG in library) {
+    exp = library[process.env.ALT_CONFIG]
+  } else if (process.env.ALT_CONFIG) {
+    throw new Error(`Unknown config ${process.env.ALT_CONFIG} (options: ${Object.keys(library).join(', ')})`)
+  }
+
+  return exp
 }
+
+export default getDefaultExport()

package.json

@@ -10,6 +10,7 @@
   ],
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
+  "type": "module",
   "repository": {
     "type": "git",
     "url": "https://github.com/mmkal/eslint-plugin-mmkal"
@@ -27,46 +28,46 @@
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "devDependencies": {
-    "@eslint/config-inspector": "0.5.4",
-    "@types/lodash": "^4.17.7",
-    "@types/node": "20.16.5",
-    "eslint": "^8.57.0",
-    "execa": "^9.0.0",
-    "link": "^2.1.1",
-    "np": "^10.0.7",
-    "pkg-pr-new": "^0.0.25",
-    "tsx": "^4.7.1",
-    "typescript": "5.6.2",
-    "vitest": "^2.0.0"
-  },
   "dependencies": {
-    "@eslint/js": "^9.0.0",
-    "@next/eslint-plugin-next": "^14.1.4",
-    "@rushstack/eslint-config": "^4.0.0",
-    "@rushstack/eslint-plugin": "^0.16.0",
-    "@rushstack/eslint-plugin-packlets": "^0.8.1",
-    "@rushstack/eslint-plugin-security": "^0.8.0",
-    "@types/eslint": "^8.44.7",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-config-xo": "^0.46.0",
-    "eslint-config-xo-react": "^0.27.0",
-    "eslint-config-xo-typescript": "^7.0.0",
-    "eslint-plugin-codegen": "^0.33.0",
+    "@eslint/js": "^9.21.0",
+    "@next/eslint-plugin-next": "^15.2.1",
+    "@rushstack/eslint-config": "^4.2.0",
+    "@rushstack/eslint-plugin": "^0.17.0",
+    "@rushstack/eslint-plugin-packlets": "^0.10.0",
+    "@rushstack/eslint-plugin-security": "^0.9.0",
+    "@types/eslint": "^9.6.1",
+    "eslint": "^9.21.0",
+    "eslint-config-prettier": "^10.0.2",
+    "eslint-config-xo": "^0.49.0",
+    "eslint-config-xo-react": "^0.28.0",
+    "eslint-config-xo-typescript": "^9.0.0",
+    "eslint-plugin-codegen": "^0.34.0",
     "eslint-plugin-functional": "^7.0.0",
-    "eslint-plugin-import-x": "^4.0.0",
-    "eslint-plugin-jsx-a11y": "^6.8.0",
-    "eslint-plugin-markdown": "^5.0.0",
-    "eslint-plugin-prettier": "^5.1.3",
-    "eslint-plugin-promise": "^7.0.0",
-    "eslint-plugin-react": "^7.33.2",
-    "eslint-plugin-react-hooks": "^4.6.0",
-    "eslint-plugin-unicorn": "^55.0.0",
-    "eslint-plugin-vitest": "^0.5.0",
+    "eslint-plugin-import-x": "^4.6.1",
+    "eslint-plugin-jsx-a11y": "^6.10.2",
+    "eslint-plugin-markdown": "^5.1.0",
+    "eslint-plugin-prettier": "^5.2.3",
+    "eslint-plugin-promise": "^7.2.1",
+    "eslint-plugin-react": "^7.37.4",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-unicorn": "^61.0.2",
+    "eslint-plugin-vitest": "^0.5.4",
     "eslint-plugin-wrapper": "0.1.0-1",
-    "globals": "^15.0.0",
+    "globals": "^16.0.0",
     "lodash": "^4.17.21",
-    "prettier": "^3.1.0",
-    "typescript-eslint": "^8.6.0"
+    "prettier": "^3.5.3",
+    "typescript-eslint": "^8.44.1"
+  },
+  "devDependencies": {
+    "@eslint/config-inspector": "^1.0.2",
+    "@types/lodash": "^4.17.16",
+    "@types/node": "^22.13.9",
+    "execa": "^9.5.2",
+    "link": "^2.1.1",
+    "np": "^10.2.0",
+    "pkg-pr-new": "^0.0.40",
+    "tsx": "^4.19.3",
+    "typescript": "^5.8.2",
+    "vitest": "^3.0.8"
   }
 }